Connector Types: A Key Factor To Consider When Choosing Fiber Optic Cables

When looking at fiber optic cables, you may initially think that they all seem about the same. Sure, there are a few brands to choose from and a few different colors of jackets that the cables are encased in. But these factors don't make a huge difference as to whether the fiber optic cable will suit your needs, and how well it will work for you. What will make a big difference is the type of connectors your cable has. Choose a cable with the wrong connector, and you'll either be unable to use that cable, or you might need to buy an adapter to use it.

So, what are the types of connectors you often see on fiber optic cables? Take a look.

LC Connectors

An LC connector is shaped like a square or box. It has a little push button at the top, which clicks into place when you insert the connector into a port. This is a very common type of fiber optic connector. It's used because it is secure, and because it is a good size to allow the transmission of substantial data. If you're at the store and are unsure of what type of connector you need, an LC connector is a good bet.

SC Connector

An SC connector is very similar to an LC connector but larger. It is often used in larger electronics and appliances where space saving is not a concern. Like an LC connector, it is very secure. Manufacturers often place this type of connector in areas where the fiber optic cord might be jiggled or bumped. The SC connector won't loosen like other connectors.

ST Connector

SC connectors were used in a lot of early fiber optic equipment. They have a round end and need to be twisted into the port. They are secure, but since they can be a bit hard to fasten, they've grown out of fashion. Still, if the appliance you're connecting a fiber optic cable to is older, it may need this type of connector.


An MTRJ connector looks like the connector on an old phone line. It presses is usually made from plastic and secures into the port with a little click. You'll sometimes see these ports on older, larger electronics that are fiber optic compatible.

Hopefully knowing a little about these connectors makes it easier for you to shop for a fiber optic cable. Having the right connector is essential. 

For more information, contact a local company that has options like Corning fiber optic cables